Bài `4:`

`1.` meet `->` met

`2.` get `->` got

`3.` went `->` go

`4.` runs `->` is running

`5.` already `->` has already finished

`6.` asks `->` asked 

`7.` taking `->` is taking

`8.` was `->` is 

`9.` we'll `->` we 

`10.` went `->` go

Bài `5:`

`1.` I often visit the museum on Saturday.

`2.` Because got an accident, my neighbor died 3 years ago.

`3.` My sister is cooking dinner in the kitchen.

`4.` Jane does not usually have breakfast in the morning.

`5.`I am always tired when I cycle to school.

`6.` Can we reused recycle bottles ?

`7.` She has been here several times but she never buys anything in.

`8.` Have you ever been in Australia ?

Bài `6:`

`1.` met

`2.` is making

`3.` taught

`4.` did - do

`5.` won't travel

`6.` stays

`7.` is planting

`8.` did - leave

`9.` Will - go

`10.` has played - was

B4.

1 meet ⇒ met

2. get ⇒ got

3. went ⇒ go

4 runs ⇒ running

5 already finished ⇒ has already finished

6. asks ⇒ asked

7. taking ⇒ is taking

8. was ⇒ is

9. miss ⇒ missed

10. went⇒go

B5.

1. I often visit the museum on Saturday. 

2. My neighbor died 3 years ago because he got an accident.

3.My sister is cooking dinner in the kitchen.

4. Jane does not usually have breakfast in the morning.

5. I am always tired when I cycle to school.

6. Can we recycle reused bottles?

7. She has been in here several times but she never buys anything. 

8. Have you ever been to Australia? ( ko in)

B7. 1. met

2. is making

3. taught

4. did you do

5. won't travel

6. stays

7. is planting

8. did you leave 

9/ Will Minh go

10. has played - was